863688246 has 16 divisors (see below), whose sum is σ = 1737028800. Its totient is φ = 286287368.

The previous prime is 863688209. The next prime is 863688283. The reversal of 863688246 is 642886368.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (863688209) and next prime (863688283).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401016 + ... + 403163.

It is an arithmetic number, because the mean of its divisors is an integer number (108564300).

Almost surely, 2^863688246 is an apocalyptic number.

863688246 is an abundant number, since it is smaller than the sum of its proper divisors (873340554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863688246 is a wasteful number, since it uses less digits than its factorization.

863688246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804363.

The product of its digits is 2654208, while the sum is 51.

The square root of 863688246 is about 29388.5733917113. The cubic root of 863688246 is about 952.3260621621.

The spelling of 863688246 in words is "eight hundred sixty-three million, six hundred eighty-eight thousand, two hundred forty-six".